/*
 * Copyright 2010 GTUG.sk
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package sk.gtug.command.server;

import sk.gtug.command.client.Command;
import sk.gtug.command.client.CommandService;
import sk.gtug.command.client.Result;

import com.google.gwt.user.server.rpc.RemoteServiceServlet;

/**
 * {@link CommandService} implementation.
 * <p>
 * Delegates execution to command itself, i.e. to command's execute method.
 * 
 * @author michal.jemala@gmail.com, igor.mihalik@gmail.com
 * 
 */
public class CommandServiceImpl extends RemoteServiceServlet implements
		CommandService {

	private static final long serialVersionUID = 1L;

	/**
	 * Delegates execution to command itself, i.e. to command's execute method.
	 * 
	 * @return command response type
	 */
	public <T extends Result> T executeCommand(Command<T> command) {
		return command.execute();
	}

}